Home / 25,345.19-38,019.76-7,574.50

Finding the Fourth Proportional to 25,345.19, 38,019.76 and 7,574.50

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Solution

The fourth proportional to 25,345.19, 38,019.76 and 7,574.50 is: 11,362.34

Step by Step Solution

  1. Step 1: Write the proportion equation
    25,345.19 : 38,019.76 = 7,574.50 : x
  2. Step 2: Convert to fraction form
    25,345.19/38,019.76 = 7,574.50/x
  3. Step 3: Cross multiply
    25,345.19x = 38,019.76 × 7,574.50
  4. Step 4: Simplify right side
    25,345.19x = 287,980,672.12
  5. Step 5: Solve for x
    x = 287,980,672.12/25,345.19
  6. Step 6: Final answer
    x = 11,362.34

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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.50) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.